Year	Number
1996	72
1998	73.1343307495117
2000	76.1194000244141
2002	71.6417922973633
2003	72.1393051147461
2004	73.5576934814453
2005	71.1538467407227
2006	63.461540222168
2007	63.461540222168
2008	67.788459777832
2009	70.1421813964844
2010	68.7203826904297
2011	68.0751190185547
2012	69.0140838623047
2013	69.0140838623047
2014	65.0246276855469
2015	66.9950714111328
2016	66.5024642944336
2017	66.5024642944336
2018	60.1941757202148
2019	63.2850227355957
2020	62.3188400268555
2021	62.8019332885742
2022	61.835750579834